222740334 has 16 divisors (see below), whose sum is σ = 494978640. Its totient is φ = 74246760.

The previous prime is 222740317. The next prime is 222740351. The reversal of 222740334 is 433047222.

222740334 is a `hidden beast` number, since 2 + 227 + 403 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (222740317) and next prime (222740351).

It is a super-2 number, since 2×222740334² = 99226512780863112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 222740298 and 222740307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062357 + ... + 2062464.

It is an arithmetic number, because the mean of its divisors is an integer number (30936165).

Almost surely, 2^222740334 is an apocalyptic number.

222740334 is an abundant number, since it is smaller than the sum of its proper divisors (272238306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222740334 is a wasteful number, since it uses less digits than its factorization.

222740334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124832 (or 4124826 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 222740334 is about 14924.4877299022. The cubic root of 222740334 is about 606.1772347003.

Adding to 222740334 its reverse (433047222), we get a palindrome (655787556).

The spelling of 222740334 in words is "two hundred twenty-two million, seven hundred forty thousand, three hundred thirty-four".